Radio apparatus and method



June 24, 1930. I F. A. KOLSTER 1,765,041 1 RADIO APPARATUS AND METHOD 5 Filed Oct 15, 1928 P 'IE A TTORNEYS.

- 3 than With the apparatus, Without the condu'c torl3i v It'is tq be understood that.a1tho' I have;

desor'ibedtheapparatus as being applied t'd' 5 awave prppagating apparatus, it can be used V b othfor transmission'and absorption-of radio energymlfiis alsoapparent'thatpther forms :QfW a'Ve reflectors can beemployed in place 9f vthejparaboloid"reflegtorlfl For example a" x 10 Hettziflnqrcylindrical parabbloid wavele ffle'ct'or' can 'b' ,employedginwhich instance i "conductor 13 would b inthe form Qfa plane ratherfthan a rod," the plane bingpo sitioned 1 Q pa-1ia.11e11tdthe focal axi s f the reflector and V 1 1' sy metrical with'respect' to 'the fmdiation' 7 glclaimfif j, .In affadiqflsystem'a' paraboloid waverej Hector, .an antenna conductor 7 pdsitionedi zoflwith'irif said reflacto l'i, and .ztnother 'condlictqr I I extendedfor;ai sulostzmtial distance coiricizq dent'withthe axis oftherflegtorp f A I tS fiHiQnyQWhBGO f -I have h e'r'eunto set i lmyz'h and l 1 I 'f Q 7 "-251 FREDEBIGK KOLSTER Q, 

